| 摘要 |
The developing apparatus includes a developer bearing member, a developer removing-feeding member and a circulating member, wherein the developer circulating member has a push-in amount to the removing-feeding member equal to or larger than a push-in amount of the developer circulating member to the developer removing-feeding member, thereby preventing toner fusion or generation of uncharged developer by a deterioration of the developer, and realizing stable development over a prolonged period.
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